Buick Regal V (2009-2013) early production late production Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ GND 5 VOL REF ACC VOL FUSE VOLT SPLY ACC VOLT AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/YEL WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION SENSOR (MOUNTED TO TOP OF BRAKE PEDAL) BREAK APPLY SENSOR SIG BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 5985 2501 CONTROL SOLENOID DK BLU WIRE DRIVER INFORMATION CENTER (DIC) EARLY PRODUCTION LATE PRODUCTION FUSE FUSE 32 GMLAN SERIAL DATA BUS + GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE HI SPD GMLAN SER DATA (+) HI SPD GMLAN SER DATA (+) HI SPD GMLAN SER DATA (-) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HOT W/ IGNITION RUN RELAY ENERGIZED IGN IGN 1 VOLT WAKEUP SERIAL DATA HI SPD GMLAN SER DATA (-) INSTRUMENT CLUSTER ISS ISS LOW HIGH LOGIC LOGIC GMLAN LOW REF NETWORK BUS 2 ORG/BLK WIRE OSS HIGH P/N PARK/ NEUTRAL SIG PC 1 SOLENOID PC 2 SOLENOID PC 3 SOLENOID PC 4 SOLENOID PC 5 SOLENOID PNK (OR VIO/BLK) (OR VIO/DK BLU) (OR BLK) WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PRESSURE CONTROL SOLENOID VALVE 1 PRESSURE CONTROL SOLENOID VALVE 2 PRESSURE CONTROL SOLENOID VALVE 3 PRESSURE CONTROL SOLENOID VALVE 4 PRESSURE CONTROL SOLENOID VALVE 5 RED WIRE RED/WHT (OR RED/LT GRN) WIRE RED/WHT WIRE SHIFT SOLENOID VALVE 1 SS 1 TAN WIRE TAN/BLK WIRE TAP UP/TAP DOWN SW SIG TCC SOLENOID TFP 1 TFP 3 TFP 4 TFP 5 TFT TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID VALVE TRANSMISSION CONTROL MODULE TRANSMISSION FLUID PRESSURE SWITCH TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION MANUAL SHIFT SWITCH TRANSMISSION OUTPUT SHAFT SPEED SENSOR TRANSMISSION SHIFT LEVER TRANSMISSION SHIFT LEVER POSITION INDICATOR TRNS GND OSS RANGE LOW SIG P TRNS RANGE SIG A TRNS TRNS RANGE RANGE SIG C SIG B VALVE ASSEMBLY VIO/YEL WIRE WHT WIRE YEL WIRE

10 11 12 13 14 15 INTERCONNECT NETWORK BUS 3 13 14 WINDSHIELD WIPER SW LOW SIG SHIFT SEL SW PERFORMANCE SIG 15 16 17 18 IGNITION 3 RLY CTRL RUN/CRANK RLY COIL CTRL 15 16 OFF/RUN/CRANK VOLTAGE 16 17 18 19 20 21 22 23 24 25 26 27 INTERCONNECT NETWORK BUS 1 18 19 20 21 22 23 24 25 HORN RELAY CONTROL HORN SWITCH SIGNAL 295 (OR 3271) 3 4 GROUND DOOR LOCK ACT UNLOCK CTRL 3 4 IMMOBILIZER SPLY VOLT LIGHTING CTRL SW REF 312 (OR 7539) 43 (OR 755) 5 6 REAR COMPT AJAR SW SIG (1) 5-VOLT REFERENCE 50 1650 (OR 3277) 6815 24 INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM 6846 2268 1594 (OR 5199) 91 196 5075 7 8 9 10 11 12 ACCESSORY VOLTAGE 7 8 LED BACKLIGHT DIMMING CTRL INST PANEL LP DIMMING CTRL 712 (OR 7538) 1315 1335 7553 737 SHIFT INTERLOCK SYSTEM INTERIOR LIGHTS SYSTEM 781 156 DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM ACCESSORY VOLTAGE ACCESSORY VOLTAGE RAP RELAY COIL CONTROL ANTI-THEFT SYSTEM BATTERY BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM CURRENT SENSOR SPLY VOLT DOOR LCK ACT LCK CTRL 2 DOOR LOCK ACT LCK CTRL DOOR LOCK CONTROL (2) DOOR LOCKS SYSTEM DRV DR LOCK SW UNLOCK SIG COURTESY LAMP SWITCH SIGNAL DRV DR LOCK SWITCH LOCK SIG EARLY PRODUCTION LATE PRODUCTION ELECTRONIC SUSPENSION SYSTEM EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM FUSE FUSE 32 GMLAN SERIAL DATA (-) (1) GMLAN SERIAL DATA (+) (1) GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/VIO WIRE HAZARD SW RH TURN SIG WINDSHIELD WASHER SW SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES INADVERTENT POWER CONTROL BACKUP LAMP SUPPLY VOLTAGE INTERCONNECT NETWORK BUS 11 INTERCONNECT NETWORK BUS 2 LED BACKLIGHT DIMMING CTRL LOGISTIC MODE RELAY OPEN CTRL LOGISTIC MODE RLY CLOSE CTRL LOW REFERENCE LOW SPEED GMLAN SERIAL DATA LR CHILD SECURITY LOCK MOTOR STATUS SIGNAL ORG/BLK WIRE PARK LOCK SOLENOID CONTROL TRUNK LAMP CONTROL POWER DISTRIBUTION SYSTEM REAR COMPT HANDLE SW OP SIG REAR LICENSE LAMP SPLY VOLT WINDSHIELD WASHER RLY CTRL RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RR CHILD SECURTY LCK MTR STATUS SIG RUN/CRANK IGNITION 1 VOLTAGE SPORT MODE SWITCH (SIGNAL) STARTING/CHARGING SYSTEM STOP LAMP RLY COIL SPLY VOLT TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE WINDSHIELD WIPER SW HI SIG WIPER MTR PARK SW SIG CURRENT SENSOR SIGNAL WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM ELECTRONIC SUSPENSION YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE EARLY PRODUCTION LATE PRODUCTION EMERGENCY IND EMERGENCY SWITCH FUSE 53 GERMANY MADE, EARLY PRODUCTION GREEN LED GRN/BLK WIRE GRN/WHT WIRE HOT W/ IGNITION RUN RELAY ENERGIZED IGN INSIDE REARVIEW MIRROR KEYPAD GREEN LED KEYPAD RED LED WIRE KEYPAD SIG KEYPAD SPLY VOLT LOGIC LOW REF SIG MIRROR DIMMING NCA WIRE ONSTAR IND ONSTAR SWITCH PHONE IND PHONE SWITCH RED LED WIRE SPLY VOLT TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE (INSTRUMENT PANEL, UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/GRN WIRE YEL/BLK WIRE YEL/WHT WIRE

2500 2501 1134 COMPUTER DATA LINES SYSTEM AUTO BATTERY FUSE BLOCK (TOP OF BATTERY) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SOUND SYSTEMS DIMMER SWITCH EARLY PRODUCTION LATE PRODUCTION FOG LAMP SWITCH FRONT FOG LAMP IND FUSE GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/RED WIRE HEAD PARK HEADLAMP SWITCH HIGH BEAM LAMP IND HOT AT ALL TIMES IGN INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LOGIC LOW SPD GMLAN SER DATA OFF PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK RELEASE SW VOL REF PARK BRK SW SPLY VOLT PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) RED WIRE RIGHT FRONT FOG LAMP VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/RED WIRE

1 2 NETWORK BUS 4 RR DOOR AJAR SW SIG 2 1 LR DOOR AJAR SW SIG NETWORK BUS 4 2.0L 25 26 FUEL LVL LOW REF 39 40 SERIAL DATA (+) SERIAL DATA (-) 4 6 NETWORK BUS 3 RF DOOR AJAR SW SIG 5986 333 SERIAL DATA BRK FLUID LVL 6 4 LF DOOR AJAR SW SIG NETWORK BUS 3 9 5 NETWORK BUS 2 A/T ACC VOLT RLY COIL CTRL BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE FLUID RESERVOIR) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER WINDOW MOTOR (DRIVER'S DOOR) EARLY PRODUCTION LATE PRODUCTION ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (LEFT SIDE ENGINE OIL PRESSURE SWITCH (2.0L: LEFT REAR OF ENGINE) (2.4L: REAR OF ENGINE) FRONT PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LOGIC NETWORK BUS 2 OF OIL PAN) OIL LVL SW SIG OIL PRESS SW SIG ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY POWER DISTRIBUTION SYSTEM REAR COMPARTMENT LID LATCH (IN TRUNK LID) REAR COMPT AJAR SW SIG 1 SERIAL DATA RIGHT REAR DOOR LATCH ASSEMBLY RIGHT REAR WINDOW SWITCH SERIAL DATA SUPPLY VOLT TAN/BLK WIRE TRANSMISSION SHIFT LEVER POSITION INDICATOR VIO/GRY WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

22 5 HDLP SW PARK LP SIG IND DIMM CTRL 23 24 HS SPD GMLAN- HS SPD GMLAN+ 2501 2500 COMPUTER DATA LINES SYSTEM AUTO BATT + BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BUS - BUS 10 BUS 2 BUS 4 COMPUTER DATA LINES SYSTEM DOME/ READING LAMPS DRIVER WINDOW SWITCH EARLY PRODUCTION LATE PRODUCTION FUSE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HEAD HEADLAMP SWITCH HOT AT ALL TIMES HVAC CONTROLS INSTRUMENT CLUSTER INSTRUMENT PANEL ACCESSORY POWER RECEPTACLE INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL MULTI-FUNCTION SWITCH 1 INSTRUMENT PANEL MULTI-FUNCTION SWITCH 2 LED BACKLIGHT DIMM CONTROL LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH LOGIC NET WORK NET WORK BUS 3 NET WORK BUS 4 NET WORK BUS 9 LOGIC OFF OVERHEAD CONSOLE PARK PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PARKING ASSIST ON/OFF SWITCH PASSENGER COMPARTMENT) PASSENGER WINDOW SWITCH OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RADIO CONTROL MULTI-FUNCTION SWITCH RADIO CONTROLS REAR DOME READING LAMPS RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH SERIAL DATA LOGIC SPORT STEERING WHEEL AIR BAG COIL SUNROOF SWITCH (IF EQUIPPED) SUNROOF TILT SWITCH TOUR TRANSMISSION SHIFT LEVER POSITION INDICATOR W/ ELECTRONIC SUSPENSION WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY EARLY PRODUCTION LATE PRODUCTION FUSE 27 GRN WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER LOGIC PARK BRAKE CONTROL SWITCH (ON PARK BRAKE ASSEMBLY) PARK IND PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) RED/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

1 2 GND B+ BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/YEL WIRE BUS 3 COMPUTER DATA LINES SYSTEM DOOR LOCK MTR STATUS CTRL DOOR LOCKS SYSTEM DOWN DRIVER WINDOW MOTOR (DRIVER'S DOOR) EARLY PRODUCTION LATE PRODUCTION EXPRESS FUSE 21 FUSE 24 FUSE 55 GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT WINDOW EXPRESS SWITCH LEFT FRONT WINDOW UP SWITCH LEFT REAR WINDOW DOWN SWITCH LEFT REAR WINDOW EXPRESS SWITCH LEFT REAR WINDOW MOTOR (LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LEFT REAR WINDOW UP SWITCH LOCK OUT LEFT FRONT IND WINDOW DOWN SWITCH LOCK OUT SWITCH LOGIC LOGIC DRIVER WINDOW SWITCH LOGIC RIGHT REAR WINDOW SWITCH LR DOWN CTRL LR DR AJAR SW SIG LR UP CTRL N/W BUS 3 N/W BUS 4 NETWORK BUS 3 NETWORK BUS 4 PASSENGER WINDOW MOTOR (FRONT PASSENGER'S DOOR) PASSENGER WINDOW SWITCH RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RF DR AJAR SW SIG RIGHT FRONT WINDOW DOWN SWITCH RIGHT FRONT WINDOW EXPRESS SWITCH RIGHT FRONT WINDOW UP SWITCH RIGHT REAR WINDOW DOWN SWITCH RIGHT REAR WINDOW EXPRESS SWITCH RIGHT REAR WINDOW MOTOR (RIGHT REAR DOOR) RIGHT REAR WINDOW UP SWITCH RR DOWN CTRL RR DR AJAR SW SIG RR UP CTRL SW DOWN SIG SW EXPRESS SIG SW UP SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/GRY WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

8 7 6 5 4 3 2 1 BATT POS VOLT RIGHT SPEAKER + LEFT/REAR SPEAKER + AMPLIFIER CTRL AUDIO AMPLIFIER (RIGHT SIDE OF TRUNK) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CENTER INSTRUMENT PANEL SPEAKER EARLY PRODUCTION LATE PRODUCTION FRT CENTER SPK (+) RR SPK SIG (+) LR SPK SIG (+) RF SPK (+) LF SPK SIG (+) FRT CENTER SPK (-) RR SPK (-) LR SPK (-) RF SPK SIG (-) LF SPK SIG (-) FUSE FUSE (LEFT SIDE OF ENGINE COMPT) GND RIGHT SPEAKER - LEFT/REAR SPEAKER - GRN WIRE GRN/VIO WIRE HOT AT ALL TIMES LEFT FRONT LEFT FRONT DOOR SPEAKER TWEETER SPEAKER LEFT REAR DOOR SPEAKER LEFT SUBWOOFER SPEAKER ORG/ WIRE RED/GRN WIRE RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT SUBWOOFER SPEAKER RR LO LVL SIG (-) LR LO LVL SIG (-) FRT LO LVL SIG (-) LF LO LVL SIG (-) UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU/BLK WIRE BLU/VIO WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRAKE WEAR IND BRK FLUID LVL BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER (DIC) DISPLAY EARLY PRODUCTION LATE PRODUCTION ELECTRONIC BRAKE CONTROL MODULE FUSE 22 FUSE 23 GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/RED WIRE HEAD PARK AUTO OFF HEADLAMP SW PARK LP SIG HEADLAMP SWITCH HOT AT ALL TIMES IGNITION SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT SIDE OF DASH) LO SPD GMLAN SERIAL DATA LOGIC LOW TIRE PRESSURE IND OF CLUSTER) OFF KEY IN IGNITION SWITCH OFF/RUN/CRANK VOLT ORG/ WIRE PARK BRAKE CONTROL SWITCH PARK BRK APPLY SW SIG PARK BRK RELEASE SW SIG PARK BRK SW SPLY VOLT PARK BRK APPLY SW VOLT REF PARKING BRAKE CONTROL MODULE (BEHIND LEFT REAR WHEEL LINER) RED/WHT WIRE RUN WIRE RUN/CRANK SEAT BELT IND LP SERIAL DATA VIO WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE VOL REF PARK BRK SW SIG WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE